Average temperature in October is 15.4 °C
Average daytime temperature is 16.5 °C
Average night temperature is 14.5 °C
Absolute maximum temperature: 20 °C
Absolute minimum temperature: 11.2 °C
Number of sunny days: 8
Number of rainy days: 23
Number of snow days:
Precipitation sum: 115 mm
* Weather data for Castel Guernsey is based on climate observations for 2023 year
| October (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 18.3 | 19.1 | 18 | 16.1 | 16.9 | 17.3 | 18.6 | 18.2 | 18.4 | 18.4 | 18.8 | 18.6 | 20 | 14.9 | 13.1 | 13.9 | 16 | 17.5 | 17.3 | 16.7 | 14.6 | 15.9 | 15.8 | 14.8 | 15.4 | 15.2 | 14.8 | 15.1 | 14.1 | 14.7 | 15.6 |
| Apparent max temperature | 18.6 | 19.3 | 15.2 | 13.7 | 16.4 | 17.2 | 17.8 | 19 | 19.7 | 17.3 | 17.3 | 17.1 | 15.5 | 9.1 | 8.9 | 7.5 | 11.7 | 15.9 | 13.8 | 15.4 | 9.9 | 13.2 | 12.3 | 11.6 | 12 | 10.8 | 9 | 9.8 | 7.4 | 10.5 | 10.5 |
| Mean temperature | 17.7 | 17.6 | 15.9 | 15.9 | 16.2 | 16.6 | 17.3 | 17.3 | 17.7 | 16.5 | 17.6 | 17.7 | 17.9 | 13.8 | 12.8 | 12.6 | 14 | 16.7 | 16.4 | 15.1 | 14.2 | 14.8 | 14.7 | 14.2 | 13.9 | 14.5 | 13.4 | 14.1 | 13.4 | 13.8 | 14.5 |
| Apparent mean temperature | 15.4 | 13.8 | 9.9 | 11.8 | 13.2 | 14.4 | 15.6 | 16.1 | 17.3 | 13.2 | 14.2 | 14.5 | 8.1 | 7.7 | 7.3 | 4.5 | 6 | 8.6 | 11.6 | 6.6 | 5.7 | 8.4 | 9.8 | 8.5 | 8.8 | 7.9 | 5.5 | 5.3 | 3.8 | 6.8 | 8.2 |
| Minimum temperature | 16.9 | 16.7 | 15.2 | 15.5 | 15.6 | 15.8 | 16.6 | 16.9 | 17.2 | 15.3 | 16.8 | 17.3 | 14.4 | 12.9 | 12.5 | 11.2 | 12.1 | 16 | 15.2 | 13.8 | 13.7 | 13.9 | 13.6 | 13.8 | 13.5 | 13.5 | 12.4 | 13.1 | 12.1 | 12.6 | 13 |
| Apparent min temperature | 17.1 | 17.1 | 11.3 | 12.6 | 14.3 | 15.7 | 16.7 | 17.9 | 18.1 | 14.6 | 15.8 | 15.6 | 13.1 | 8.5 | 8.3 | 6.2 | 8.5 | 12.2 | 12.8 | 12.2 | 8 | 11 | 11.2 | 9.8 | 10.6 | 9.6 | 7.2 | 7.9 | 6 | 9.3 | 9.3 |
| October | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 11.7 | 11.6 | 11.6 | 11.5 | 11.4 | 11.4 | 11.3 | 11.3 | 11.2 | 11.1 | 11.1 | 11 | 10.9 | 10.9 | 10.8 | 10.8 | 10.7 | 10.7 | 10.6 | 10.5 | 10.5 | 10.4 | 10.4 | 10.3 | 10.2 | 10.2 | 10.1 | 10.1 | 10 | 10 | 9.9 |
| Sunshine duration (h) | 10.2 | 4.2 | 10.1 | 7.3 | 10 | 9.7 | 10 | 10 | 10 | 6.9 | 9.1 | 0.1 | 7 | 9.8 | 4.5 | 5.7 | 2.9 | 2.8 | 6.1 | 9.3 | 0 | 9.3 | 5.8 | 4.2 | 4.8 | 8.1 | 8.1 | 5.2 | 6.5 | 6.7 | 1.8 |
| Precipitation (mm) | 0 | 0.2 | 0.7 | 0.2 | 0 | 0.1 | 0 | 0 | 0 | 0 | 3.7 | 3.2 | 2.1 | 0.1 | 0 | 0 | 0.6 | 17.9 | 4.5 | 1.4 | 13.2 | 1.8 | 4.8 | 4.8 | 10 | 2.7 | 8.6 | 11.1 | 5.4 | 4.4 | 13.1 |
| Precipitation hours | 0 | 2 | 4 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 9 | 7 | 1 | 0 | 0 | 1 | 15 | 9 | 12 | 19 | 7 | 5 | 15 | 11 | 13 | 18 | 17 | 17 | 9 | 14 |
| Wind speed (m/s) | 28.1 | 39.9 | 41 | 29.5 | 20 | 20.8 | 17.6 | 17.8 | 15 | 31.4 | 33.1 | 33.5 | 52.8 | 37.8 | 31.3 | 42.9 | 42.5 | 64.3 | 40.5 | 54.3 | 58 | 39.5 | 32.8 | 34 | 40.6 | 51.5 | 57.4 | 57.7 | 56 | 46.9 | 49.2 |
In October 2023, the highest daytime temperature in Castel was 20°C.
While the minimum temperature at night dropped to 11.2°C.
The average nighttime and daytime temperatures during October in Castel are 14.5°C and 16.5°C respectively.
The precipitation sum in October is about 115 mm.